// streams/FunctionMap3.java
// (c)2017 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://OnJava8.com for more book information.
// Producing numeric output streams

import java.util.stream.Stream;

class FunctionMap3 {
    public static void main(String[] args) {
        Stream.of("5", "7", "9")
                .mapToInt(Integer::parseInt)
                .forEach(n -> System.out.format("%d ", n));
        System.out.println();
        Stream.of("17", "19", "23")
                .mapToLong(Long::parseLong)
                .forEach(n -> System.out.format("%d ", n));
        System.out.println();
        Stream.of("17", "1.9", ".23")
                .mapToDouble(Double::parseDouble)
                .forEach(n -> System.out.format("%f ", n));
    }
}
/* Output:
5 7 9
17 19 23
17.000000 1.900000 0.230000
*/
